1(Car){cogs,wood,motor bolts,rod,bolts,lever} Make a rectangular piece of wood.Make pencil thick wheels and put cogs somewhere and motor bolt them up.Connect the motors to the lever.Connect one cog to the wheels with a rod.Bolt the wheels to the base and you have a worms style puzzle car.

2(Lift){rod,huge wheel,cardboard or other light materials,motor bolt} Make a rectangular shaft of some material and a huge wheel motor bolted to dark or light matter.Attach the shaft to the wheel with a rod.